package com.zzg.controller;

import java.io.IOException;
import java.lang.reflect.Method;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

public class BaseServlet extends HttpServlet{
	@Override
	protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
		String m = req.getParameter("method");
		if(m == null){
			throw new IllegalArgumentException("没有提供selvet的方法名");
		}
		try {
			System.out.println(req.getRequestURI()+"调用方法"+m);
			//通过方法名和参数类型获得方法对象
			Method method = this.getClass().getDeclaredMethod(m,
					HttpServletRequest.class,HttpServletResponse.class);
			//调用方法
			method.invoke(this,req,resp);
		} catch (Exception e) {
			e.printStackTrace();
		}
	}
	
	@Override
	protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
		doGet(req, resp);
	}
}
